323131350012 has 12 divisors (see below), whose sum is σ = 753973150056. Its totient is φ = 107710450000.

The previous prime is 323131350011. The next prime is 323131350023. The reversal of 323131350012 is 210053131323.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131350011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13463806239 + ... + 13463806262.

It is an arithmetic number, because the mean of its divisors is an integer number (62831095838).

Almost surely, 2^323131350012 is an apocalyptic number.

It is an amenable number.

323131350012 is an abundant number, since it is smaller than the sum of its proper divisors (430841800044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323131350012 is a wasteful number, since it uses less digits than its factorization.

323131350012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26927612508 (or 26927612506 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 323131350012 its reverse (210053131323), we get a palindrome (533184481335).

The spelling of 323131350012 in words is "three hundred twenty-three billion, one hundred thirty-one million, three hundred fifty thousand, twelve".